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Finding the Fourth Proportional to 536.16, 802.80 and 503.70

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Solution

The fourth proportional to 536.16, 802.80 and 503.70 is: 754.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    536.16 : 802.80 = 503.70 : x
  2. Step 2: Convert to fraction form
    536.16/802.80 = 503.70/x
  3. Step 3: Cross multiply
    536.16x = 802.80 × 503.70
  4. Step 4: Simplify right side
    536.16x = 404,370.36
  5. Step 5: Solve for x
    x = 404,370.36/536.16
  6. Step 6: Final answer
    x = 754.20

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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.