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Finding the Fourth Proportional to 653.43, 901.71 and 373.65

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Solution

The fourth proportional to 653.43, 901.71 and 373.65 is: 515.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    653.43 : 901.71 = 373.65 : x
  2. Step 2: Convert to fraction form
    653.43/901.71 = 373.65/x
  3. Step 3: Cross multiply
    653.43x = 901.71 × 373.65
  4. Step 4: Simplify right side
    653.43x = 336,923.94
  5. Step 5: Solve for x
    x = 336,923.94/653.43
  6. Step 6: Final answer
    x = 515.62

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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.