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Finding the Fourth Proportional to 368.71, 555.66 and 332.19

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Solution

The fourth proportional to 368.71, 555.66 and 332.19 is: 500.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    368.71 : 555.66 = 332.19 : x
  2. Step 2: Convert to fraction form
    368.71/555.66 = 332.19/x
  3. Step 3: Cross multiply
    368.71x = 555.66 × 332.19
  4. Step 4: Simplify right side
    368.71x = 184,584.70
  5. Step 5: Solve for x
    x = 184,584.70/368.71
  6. Step 6: Final answer
    x = 500.63

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.