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Finding the Fourth Proportional to 552.77, 826.16 and 508.98

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Solution

The fourth proportional to 552.77, 826.16 and 508.98 is: 760.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    552.77 : 826.16 = 508.98 : x
  2. Step 2: Convert to fraction form
    552.77/826.16 = 508.98/x
  3. Step 3: Cross multiply
    552.77x = 826.16 × 508.98
  4. Step 4: Simplify right side
    552.77x = 420,498.92
  5. Step 5: Solve for x
    x = 420,498.92/552.77
  6. Step 6: Final answer
    x = 760.71

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Double scale
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1.5x scale

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.