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Finding the Fourth Proportional to 637.65, 957.50 and 569.99

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Solution

The fourth proportional to 637.65, 957.50 and 569.99 is: 855.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    637.65 : 957.50 = 569.99 : x
  2. Step 2: Convert to fraction form
    637.65/957.50 = 569.99/x
  3. Step 3: Cross multiply
    637.65x = 957.50 × 569.99
  4. Step 4: Simplify right side
    637.65x = 545,760.12
  5. Step 5: Solve for x
    x = 545,760.12/637.65
  6. Step 6: Final answer
    x = 855.90

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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.