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Finding the Fourth Proportional to 968.85, 1,337.00 and 526.77

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Solution

The fourth proportional to 968.85, 1,337.00 and 526.77 is: 726.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    968.85 : 1,337.00 = 526.77 : x
  2. Step 2: Convert to fraction form
    968.85/1,337.00 = 526.77/x
  3. Step 3: Cross multiply
    968.85x = 1,337.00 × 526.77
  4. Step 4: Simplify right side
    968.85x = 704,286.12
  5. Step 5: Solve for x
    x = 704,286.12/968.85
  6. Step 6: Final answer
    x = 726.93

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Double scale
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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.