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Finding the Fourth Proportional to 623.99, 935.69 and 373.95

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Solution

The fourth proportional to 623.99, 935.69 and 373.95 is: 560.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    623.99 : 935.69 = 373.95 : x
  2. Step 2: Convert to fraction form
    623.99/935.69 = 373.95/x
  3. Step 3: Cross multiply
    623.99x = 935.69 × 373.95
  4. Step 4: Simplify right side
    623.99x = 349,899.41
  5. Step 5: Solve for x
    x = 349,899.41/623.99
  6. Step 6: Final answer
    x = 560.74

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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.