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Finding the Fourth Proportional to 405.10, 607.13 and 332.03

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Solution

The fourth proportional to 405.10, 607.13 and 332.03 is: 497.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    405.10 : 607.13 = 332.03 : x
  2. Step 2: Convert to fraction form
    405.10/607.13 = 332.03/x
  3. Step 3: Cross multiply
    405.10x = 607.13 × 332.03
  4. Step 4: Simplify right side
    405.10x = 201,586.48
  5. Step 5: Solve for x
    x = 201,586.48/405.10
  6. Step 6: Final answer
    x = 497.62

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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.