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Finding the Fourth Proportional to 537.39, 741.32 and 340.59

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Solution

The fourth proportional to 537.39, 741.32 and 340.59 is: 469.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    537.39 : 741.32 = 340.59 : x
  2. Step 2: Convert to fraction form
    537.39/741.32 = 340.59/x
  3. Step 3: Cross multiply
    537.39x = 741.32 × 340.59
  4. Step 4: Simplify right side
    537.39x = 252,482.47
  5. Step 5: Solve for x
    x = 252,482.47/537.39
  6. Step 6: Final answer
    x = 469.84

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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.