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Finding the Fourth Proportional to 373.07, 514.67 and 285.59

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Solution

The fourth proportional to 373.07, 514.67 and 285.59 is: 393.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.07 : 514.67 = 285.59 : x
  2. Step 2: Convert to fraction form
    373.07/514.67 = 285.59/x
  3. Step 3: Cross multiply
    373.07x = 514.67 × 285.59
  4. Step 4: Simplify right side
    373.07x = 146,980.60
  5. Step 5: Solve for x
    x = 146,980.60/373.07
  6. Step 6: Final answer
    x = 393.98

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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.