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Finding the Fourth Proportional to 615.56, 916.09 and 592.52

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Solution

The fourth proportional to 615.56, 916.09 and 592.52 is: 881.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    615.56 : 916.09 = 592.52 : x
  2. Step 2: Convert to fraction form
    615.56/916.09 = 592.52/x
  3. Step 3: Cross multiply
    615.56x = 916.09 × 592.52
  4. Step 4: Simplify right side
    615.56x = 542,801.65
  5. Step 5: Solve for x
    x = 542,801.65/615.56
  6. Step 6: Final answer
    x = 881.80

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.