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Finding the Fourth Proportional to 537.30, 741.54 and 304.50

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Solution

The fourth proportional to 537.30, 741.54 and 304.50 is: 420.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    537.30 : 741.54 = 304.50 : x
  2. Step 2: Convert to fraction form
    537.30/741.54 = 304.50/x
  3. Step 3: Cross multiply
    537.30x = 741.54 × 304.50
  4. Step 4: Simplify right side
    537.30x = 225,798.93
  5. Step 5: Solve for x
    x = 225,798.93/537.30
  6. Step 6: Final answer
    x = 420.25

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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.