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Finding the Fourth Proportional to 555.07, 832.71 and 349.39

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Solution

The fourth proportional to 555.07, 832.71 and 349.39 is: 524.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    555.07 : 832.71 = 349.39 : x
  2. Step 2: Convert to fraction form
    555.07/832.71 = 349.39/x
  3. Step 3: Cross multiply
    555.07x = 832.71 × 349.39
  4. Step 4: Simplify right side
    555.07x = 290,937.61
  5. Step 5: Solve for x
    x = 290,937.61/555.07
  6. Step 6: Final answer
    x = 524.15

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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.