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Finding the Fourth Proportional to 503.36, 693.50 and 370.34

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Solution

The fourth proportional to 503.36, 693.50 and 370.34 is: 510.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    503.36 : 693.50 = 370.34 : x
  2. Step 2: Convert to fraction form
    503.36/693.50 = 370.34/x
  3. Step 3: Cross multiply
    503.36x = 693.50 × 370.34
  4. Step 4: Simplify right side
    503.36x = 256,830.79
  5. Step 5: Solve for x
    x = 256,830.79/503.36
  6. Step 6: Final answer
    x = 510.23

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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.