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Finding the Fourth Proportional to 524.19, 723.36 and 303.18

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Solution

The fourth proportional to 524.19, 723.36 and 303.18 is: 418.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    524.19 : 723.36 = 303.18 : x
  2. Step 2: Convert to fraction form
    524.19/723.36 = 303.18/x
  3. Step 3: Cross multiply
    524.19x = 723.36 × 303.18
  4. Step 4: Simplify right side
    524.19x = 219,308.28
  5. Step 5: Solve for x
    x = 219,308.28/524.19
  6. Step 6: Final answer
    x = 418.38

Related Problems

Find fourth proportional to 262.10, 361.68 and 151.59
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Double scale
Find fourth proportional to 525.19, 724.74 and 304.18
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.