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Finding the Fourth Proportional to 335.04, 502.53 and 291.90

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Solution

The fourth proportional to 335.04, 502.53 and 291.90 is: 437.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.04 : 502.53 = 291.90 : x
  2. Step 2: Convert to fraction form
    335.04/502.53 = 291.90/x
  3. Step 3: Cross multiply
    335.04x = 502.53 × 291.90
  4. Step 4: Simplify right side
    335.04x = 146,688.51
  5. Step 5: Solve for x
    x = 146,688.51/335.04
  6. Step 6: Final answer
    x = 437.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.