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Finding the Fourth Proportional to 653.46, 901.75 and 373.68

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Solution

The fourth proportional to 653.46, 901.75 and 373.68 is: 515.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    653.46 : 901.75 = 373.68 : x
  2. Step 2: Convert to fraction form
    653.46/901.75 = 373.68/x
  3. Step 3: Cross multiply
    653.46x = 901.75 × 373.68
  4. Step 4: Simplify right side
    653.46x = 336,965.94
  5. Step 5: Solve for x
    x = 336,965.94/653.46
  6. Step 6: Final answer
    x = 515.66

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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.