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Finding the Fourth Proportional to 615.29, 849.52 and 576.07

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Solution

The fourth proportional to 615.29, 849.52 and 576.07 is: 795.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    615.29 : 849.52 = 576.07 : x
  2. Step 2: Convert to fraction form
    615.29/849.52 = 576.07/x
  3. Step 3: Cross multiply
    615.29x = 849.52 × 576.07
  4. Step 4: Simplify right side
    615.29x = 489,382.61
  5. Step 5: Solve for x
    x = 489,382.61/615.29
  6. Step 6: Final answer
    x = 795.38

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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.