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Finding the Fourth Proportional to 366.19, 505.11 and 235.24

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Solution

The fourth proportional to 366.19, 505.11 and 235.24 is: 324.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.19 : 505.11 = 235.24 : x
  2. Step 2: Convert to fraction form
    366.19/505.11 = 235.24/x
  3. Step 3: Cross multiply
    366.19x = 505.11 × 235.24
  4. Step 4: Simplify right side
    366.19x = 118,822.08
  5. Step 5: Solve for x
    x = 118,822.08/366.19
  6. Step 6: Final answer
    x = 324.48

Related Problems

Find fourth proportional to 183.10, 252.56 and 117.62
Half scale
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Double scale
Find fourth proportional to 367.19, 506.49 and 236.24
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.