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Finding the Fourth Proportional to 549.04, 761.59 and 529.60

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Solution

The fourth proportional to 549.04, 761.59 and 529.60 is: 734.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    549.04 : 761.59 = 529.60 : x
  2. Step 2: Convert to fraction form
    549.04/761.59 = 529.60/x
  3. Step 3: Cross multiply
    549.04x = 761.59 × 529.60
  4. Step 4: Simplify right side
    549.04x = 403,338.06
  5. Step 5: Solve for x
    x = 403,338.06/549.04
  6. Step 6: Final answer
    x = 734.62

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.