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Finding the Fourth Proportional to 476.47, 718.18 and 450.01

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Solution

The fourth proportional to 476.47, 718.18 and 450.01 is: 678.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    476.47 : 718.18 = 450.01 : x
  2. Step 2: Convert to fraction form
    476.47/718.18 = 450.01/x
  3. Step 3: Cross multiply
    476.47x = 718.18 × 450.01
  4. Step 4: Simplify right side
    476.47x = 323,188.18
  5. Step 5: Solve for x
    x = 323,188.18/476.47
  6. Step 6: Final answer
    x = 678.30

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.