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Finding the Fourth Proportional to 723.14, 999.07 and 474.37

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Solution

The fourth proportional to 723.14, 999.07 and 474.37 is: 655.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    723.14 : 999.07 = 474.37 : x
  2. Step 2: Convert to fraction form
    723.14/999.07 = 474.37/x
  3. Step 3: Cross multiply
    723.14x = 999.07 × 474.37
  4. Step 4: Simplify right side
    723.14x = 473,925.15
  5. Step 5: Solve for x
    x = 473,925.15/723.14
  6. Step 6: Final answer
    x = 655.37

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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.