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Finding the Fourth Proportional to 703.33, 1,054.28 and 337.93

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Solution

The fourth proportional to 703.33, 1,054.28 and 337.93 is: 506.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    703.33 : 1,054.28 = 337.93 : x
  2. Step 2: Convert to fraction form
    703.33/1,054.28 = 337.93/x
  3. Step 3: Cross multiply
    703.33x = 1,054.28 × 337.93
  4. Step 4: Simplify right side
    703.33x = 356,271.05
  5. Step 5: Solve for x
    x = 356,271.05/703.33
  6. Step 6: Final answer
    x = 506.55

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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.