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Finding the Fourth Proportional to 555.59, 832.58 and 401.84

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Solution

The fourth proportional to 555.59, 832.58 and 401.84 is: 602.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    555.59 : 832.58 = 401.84 : x
  2. Step 2: Convert to fraction form
    555.59/832.58 = 401.84/x
  3. Step 3: Cross multiply
    555.59x = 832.58 × 401.84
  4. Step 4: Simplify right side
    555.59x = 334,567.09
  5. Step 5: Solve for x
    x = 334,567.09/555.59
  6. Step 6: Final answer
    x = 602.18

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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.