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Finding the Fourth Proportional to 475.64, 713.32 and 302.06

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Solution

The fourth proportional to 475.64, 713.32 and 302.06 is: 453.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    475.64 : 713.32 = 302.06 : x
  2. Step 2: Convert to fraction form
    475.64/713.32 = 302.06/x
  3. Step 3: Cross multiply
    475.64x = 713.32 × 302.06
  4. Step 4: Simplify right side
    475.64x = 215,465.44
  5. Step 5: Solve for x
    x = 215,465.44/475.64
  6. Step 6: Final answer
    x = 453.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.