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Finding the Fourth Proportional to 1,465.41, 2,022.32 and 802.32

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Solution

The fourth proportional to 1,465.41, 2,022.32 and 802.32 is: 1,107.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465.41 : 2,022.32 = 802.32 : x
  2. Step 2: Convert to fraction form
    1,465.41/2,022.32 = 802.32/x
  3. Step 3: Cross multiply
    1,465.41x = 2,022.32 × 802.32
  4. Step 4: Simplify right side
    1,465.41x = 1,622,547.78
  5. Step 5: Solve for x
    x = 1,622,547.78/1,465.41
  6. Step 6: Final answer
    x = 1,107.23

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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.