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Finding the Fourth Proportional to 607.10, 837.95 and 358.63

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Solution

The fourth proportional to 607.10, 837.95 and 358.63 is: 495.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    607.10 : 837.95 = 358.63 : x
  2. Step 2: Convert to fraction form
    607.10/837.95 = 358.63/x
  3. Step 3: Cross multiply
    607.10x = 837.95 × 358.63
  4. Step 4: Simplify right side
    607.10x = 300,510.12
  5. Step 5: Solve for x
    x = 300,510.12/607.10
  6. Step 6: Final answer
    x = 495.00

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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.