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Finding the Fourth Proportional to 617.51, 933.02 and 611.57

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Solution

The fourth proportional to 617.51, 933.02 and 611.57 is: 924.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    617.51 : 933.02 = 611.57 : x
  2. Step 2: Convert to fraction form
    617.51/933.02 = 611.57/x
  3. Step 3: Cross multiply
    617.51x = 933.02 × 611.57
  4. Step 4: Simplify right side
    617.51x = 570,603.98
  5. Step 5: Solve for x
    x = 570,603.98/617.51
  6. Step 6: Final answer
    x = 924.04

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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.