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Finding the Fourth Proportional to 582.30, 804.06 and 520.02

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Solution

The fourth proportional to 582.30, 804.06 and 520.02 is: 718.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    582.30 : 804.06 = 520.02 : x
  2. Step 2: Convert to fraction form
    582.30/804.06 = 520.02/x
  3. Step 3: Cross multiply
    582.30x = 804.06 × 520.02
  4. Step 4: Simplify right side
    582.30x = 418,127.28
  5. Step 5: Solve for x
    x = 418,127.28/582.30
  6. Step 6: Final answer
    x = 718.06

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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.