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Finding the Fourth Proportional to 480.60, 718.35 and 469.08

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Solution

The fourth proportional to 480.60, 718.35 and 469.08 is: 701.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    480.60 : 718.35 = 469.08 : x
  2. Step 2: Convert to fraction form
    480.60/718.35 = 469.08/x
  3. Step 3: Cross multiply
    480.60x = 718.35 × 469.08
  4. Step 4: Simplify right side
    480.60x = 336,963.62
  5. Step 5: Solve for x
    x = 336,963.62/480.60
  6. Step 6: Final answer
    x = 701.13

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.