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Finding the Fourth Proportional to 713.04, 985.20 and 566.76

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Solution

The fourth proportional to 713.04, 985.20 and 566.76 is: 783.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    713.04 : 985.20 = 566.76 : x
  2. Step 2: Convert to fraction form
    713.04/985.20 = 566.76/x
  3. Step 3: Cross multiply
    713.04x = 985.20 × 566.76
  4. Step 4: Simplify right side
    713.04x = 558,371.95
  5. Step 5: Solve for x
    x = 558,371.95/713.04
  6. Step 6: Final answer
    x = 783.09

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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.