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Finding the Fourth Proportional to 555.18, 832.97 and 247.01

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Solution

The fourth proportional to 555.18, 832.97 and 247.01 is: 370.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    555.18 : 832.97 = 247.01 : x
  2. Step 2: Convert to fraction form
    555.18/832.97 = 247.01/x
  3. Step 3: Cross multiply
    555.18x = 832.97 × 247.01
  4. Step 4: Simplify right side
    555.18x = 205,746.52
  5. Step 5: Solve for x
    x = 205,746.52/555.18
  6. Step 6: Final answer
    x = 370.59

Related Problems

Find fourth proportional to 277.59, 416.48 and 123.50
Half scale
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Double scale
Find fourth proportional to 556.18, 834.47 and 248.01
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.